Squeaking floorboards should be screwed down.

踏上去咯咯作响的地板应用螺钉钉住.

《简明英汉词典》

Friends are like fiddle - strings , they must not be screwed too tight.

朋友像琴弦, 不能太拧紧.

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Friends are like fiddle － strings , they must not be screwed too tight.

朋友有如琴弦, 不能上的太紧.

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Ensure the fittings of Ripple Pipe and water pipe have be screwed down.

确认波纹管和水管的接头是否拧紧.

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